Explore BrainMass
Share

Identifying chemicals by observing physical/chemical behavior

This content was STOLEN from BrainMass.com - View the original, and get the already-completed solution here!

Questions 9 - 11:

a) COsub3^2-
b) MnOsub4^-
c) NHsub4^+
d) Ba^2+
e) Al^3+

Assume that you have several unknowns each consisting of an aqueous solution of a salt that contains one of the ions listed above, which ion must be present if the following observations are made of that unknown?

9) the solution is colored.

Ans A, B, C, D or E

10) An odar can be detected when a sample of solution is added drop by drop to a warm solution of sodium hydroxide.

Ans A, B, C, D or E

11) a precipitate is formed when a dilute solution of Hsub2SOsub4 is added to a sample of the solution.

Ans A, B, C, D or E

© BrainMass Inc. brainmass.com October 24, 2018, 5:36 pm ad1c9bdddf
https://brainmass.com/chemistry/general-chemistry/identifying-chemicals-observing-physical-chemical-behavior-14985

Solution Preview

9) the solution is colored Ans. b) MnOsub4^-

example KMnO4 Potassium permanganate

10) An odar can be ...

Solution Summary

An easy to understand solution is provided. The expert identifies chemicals by observing physical/chemical behavior.

$2.19
See Also This Related BrainMass Solution

Personality Descriptors Identified by Adler

Please provide a discussion of 200-300 words on personality descriptors identified by Adler, associated with birth order positions with appropriate citing of reading materials.
The link to the text and other necessary files are attached.

View Full Posting Details